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Show 52 DE INSTRVMENT'IS Sic, cognim Solis vcl ai‘tri alum-dine, {iuc diurna, {iuc noélurna fit olflEx‘uatio, notefccrliora : & cum hora iimul zodiaci flilusgc planar: rum loci . 1m nec Arolubo , ncc Torqunto , nec Armillari, auralia quolibcr difl‘icili inlirumcnto uobis opus erir . Vcri‘im lioc eri‘t gcncmlirrsr nomndum : qm‘xi, cum omnc circulate in Pirumemum reprfl'cn rctcirculumaliqucm in concaua primi mobil'is iiiptrficic clcfcriptum ac mundo concentricum , & omnis perifc~ ria inih‘umrnti rel-crux diéli circuli iibi timilcm nrcum :. proptcrm nccciliirium cl'cin omni obi-Eruuionc inllrumcnti ccntrum locari, nut locatum in rclligi in m Lidi ccntro . Salami110$,qui‘ailmoiflbruamus, fimus in lmC farm: mai‘isq; lilpcrficic , per terrcih‘is iEmidiamctii iPa< cium rzui-otiab vni'ucrihli ceurro , media all, Vt ohfcruatio nofira n5 nihil ii vcro difcreper .v Vcri‘im cum 1193c term: iblnidialnctcr ad Cicli folnris , nut firmmncnti diilmtiam collate. firixfcnfibilis : quandoqui dcm mrmfiantx magnitudinis rsiiucélufit'quali Punc‘lum ; iricirci) talis (lil‘Cl‘cpClntlil non ingerit nombilcni in illis orbibus crrorcm . Attamcn in oliil'fliMuiQ Lunaflimc difcrcpantia entirur aliquamumJ-labct enim fcmidiamcrcr rcrrm mi ii'miciiamctrfi lunaris or'ois collam icnfibiv 1cm magnitudincm. Sicinm intervernm vifiimq; locum Luiax diffs rcntia per inll'i‘umcn-tum & calculum‘ vcilignm rid fummum gradus I. &1fi.43.aCCI‘C{Cif. 524i in Solcmi ;.quafi minurins pcruenit. in Matte autcm & filpcriorilms P‘lnncris , ficllisq; non licne pcrcipitur . Bane igitur Ptolcmccus, casrcriq; Ailronomi, :{d captandns meridiaé nas Solis & aflrorum alfiirudincs, item nmximam Solis dcclinarioné, Polit'I, clemation‘cm, iiuc (quod idem ell) rcgionis laritudincm , mdmnreinih‘umento vtunmr. Scdin mli obfermtionc planitics quaclmnris fillendn cit in plum {upcrficie Mcridianiflu'x iiiper lincam inc ridianam locatur, {uper planum liorizonris Perpendicularitcr. Q‘ga.rc inucnicndacli in primis llnCl meridiana ,ad ccererorum. quoq; infirumentorum locationem neceiiiria . V r. autem Eradfit Proclus, "dimmingIo.dC‘Montercgio & alij , li-wnca meridiana iic inusniri porcfi. In plain acpcrfcdsé collibram hori-r "zon ti'S (uperficie Ci'rculus defcriba‘ru‘r. Etab cius ccn rro {lylus perpxndicularitcr cxci‘cctur crcd‘usfim brcuis,vt cius vm‘bra in terdiu Circuli {cmidiamctro fit brcuior. Mox in {creno dic ad Solem obfcrunnda all: fiyli vm'bra,qux' antc meridiem,& rurfi‘is pail meridié'in pcrifcria Citr' culi iu cluobus yunélisterminctur.Tunc arcus inter plinth h'uiufino- ~cli diligentcr iignam rcccpms permqualia (iiuidatur v atquc per pumflfi diuilionis 86 con tru‘m Circuli lines. redo ducarur. Herc cnim erit linca. .Mcridiana loci. Nam v-mbm liyli {emycr & quoti‘dic fiip‘ercam linea‘m (ads; . in ipfo inllantimcridiei . ct fiiPcrcam, lo canda ell plan: {ripariV. m L "5 ~6ics' 'T ASTRO‘NO‘MICIS.‘ fist-3 uadrantis in olxici'uatione m criciianarum altitudin'um' Solis',Lu- ‘ ma,& allrorum. Sic ctiam Sc Ailrolabi. in tali obfcruationc. Item axis :muncli mm in in i'crumcnto armillari,qudm in Splicem iblida locandus ;crit in ipfo meridian-i plnno, Cieuatus {cilicct fecundum polurcm locis altimdincm . V . 4 M A x I M A M Zodiaci ab :cquatore declimrioncm inucnirc. Ca- 6 --pianrur dux {olilitialcs Solis in meridic altitudincs,& ennui] ciifl‘crcn_ti:1 : 1mm ipfa. ell: tropicorum diilantiazEt eius dirnidium crir maxima .Solis,i‘cu cclypticx Llcclii1;1cio. Ycri‘iio,li obicriiiirio Falls fiatmtra m» picos lubitantibu‘s ; ibi mlium iolllimllum altirudmum ziggi'cgatun'i aufcrendum cit 51 icmicirculo:Vtvrclicptumlubcatur pro Tropicorum (i1 flantiafiiuscluc dimidium pro maximn Zodiaci clcclinationc.‘ ‘ ' A3 widow" AL 1 s altimdincm deprchcnclcrcflum hycnmlis follh- 7 Krii‘altitudine meridium iungcmaximam Solis dcclnmtioncm ex prxf .miliii rcpcrmm.Vcl ab xlliui iolllitii mar" altitj" aufcr candcm ‘maxie mam cicclinuti'oncm : Nam iic conficics, vcl rcirduabis asquutoris ulnaIudincm‘. . ' . ' 3 i i I. 0 C I _latimdincm,iiuc poll elcmtioncm malagarc. Acquntoris al titudincm ex prxmiiiii cognimm (Lilitrahc dc.c11'culiqu;1dr;intc , 86 rc- linquctur loci mi latitude} qua: lCIllcet ell (lifhm £121 [111 zemt ab m1"; noc‘liali, iiuc poli mundi iuper horizontc cclflt-udo‘. Sud dcgcntes {u aquinoétiuli liabent Polos in horizon tcm,8{ liltlflldlnt‘ln nullam. S o L l s Vcl'diiri cicclinntioné pcrlcriimrlkapiacur 6111‘s altitude mg: 9 ridiana : (1111', ii filerirmqunlis :cquaromsolntudnihnulla Sol vol ufiru Patiturdeclinationcm. Si afi't ml'c altitudincs.fucrmflnaeflqualcsitunc carum diflérétia crit Solis ipiius Vcl allri,dcclxoatioécptcmomlis qux dé,fi Solis altitude maior crat. Si minor, lnCl‘ldlonflllS: . ; S 1 N v v M rcgulas exponcrcfiicutper calculu1n,im&Ecrllncamc xo ta vri polliim us Sinuum, & Mordarum medic. Eltautcm linus 166m; , chorde dupli urcus ali~ cuius dimiiiium. Cu\ ius lagitim clici {01a fi- \\\\ nus vEri-iis. Vnde linus maximus, fine firms to \le I l ms,eif ii'nus femicirculi , hoc ell {cmidinmeter. Sinus fecundPs nr us cuiuf ii (:9: - mus / \ \ \ 0. K. K . _ > :éc‘lus iiiipcomplcmétiad quadrantéfixépli graimzm {Cimc'irfc‘uloéfcbucg Cuius can trfi dac femicliametri acl.dc.db.quadratcs abbc. 1p lllS _ dag. cord; fit rcéh, cfg.pun&is bf.diuidétibus arcu.&DCllO:di P6113?" |
